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Spatiotemporal self-organization in a surface reaction: From the atomic to the mesoscopic scale

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Sachs,  Christian
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Hildebrand,  Michael
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Völkening,  Stephan
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Wintterlin,  Joost
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Ertl,  Gerhard
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Sachs, C., Hildebrand, M., Völkening, S., Wintterlin, J., & Ertl, G. (2001). Spatiotemporal self-organization in a surface reaction: From the atomic to the mesoscopic scale. Science, 293(5535), 1635-1638. doi:10.1126/science.1062883.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-17BF-F
Abstract
Scanning tunneling microscopy data revealed the atomic processes in propagating reaction fronts that occur in the catalytic oxidation of hydrogen on Pt(111). The fronts were also characterized on mesoscopic length scales with respect to their velocity and width. Simulations on the basis of a reaction-diffusion model reproduce the experimental findings qualitatively well. The quantitative comparison reveals the limitations of this traditional approach to modeling spatiotemporal pattern formation in nonlinear dynamics.